MATLAB R2021b

What's new in this version:

Environment:
- Editor Selection: Select and edit a rectangular area of code
- Editor Display: Zoom in and out in the Editor
- Editor Code: Show code suggestions and completions automatically
- Editor Debugging: Diagnose problems in scripts and functions using inline debugging controls and a breadcrumb-style function call stack
- Editor Refactoring: Automatically convert selected code to a function
- Editor Code: Automatically complete block endings, match delimiters, and wrap comments while editing code
- Editor Sections: Create sections with an improved appearance
- Editor Code: Change the case of text and code
- Editor Bookmarks: Maintain bookmarks after closing a file
- Live Editor Controls: Set default values for sliders, drop-down lists, check boxes, and edit fields
- Live Editor Animations: Export animations to movies or animated GIFs
- Live Editor Figures: Interact with real MATLAB figures and resize them with improved layouts
- Live Editor: Improved performance when saving live scripts or functions
- Comparison Tool: Compare and merge text files with improved usability, appearance, and syntax highlighting
- Importing Preferences from Previous Releases: MATLAB checks for preferences from R2019b or newer
- Display language: MATLAB uses Windows display language settings for selecting desktop language
- Functionality being removed or changed

Language and Programming:
- cast Function: Consistent output for all syntaxes with the same data type conversion
- Run Code in the Background: Use parallel language to run code asynchronously
- Portable Parallel Code: Share parallel code and seamlessly run in parallel
- Compact Display for Classes: Customize display of information about classes when space is limited
- Class Aliasing: Create aliases for renamed classes to maintain backward compatibility
- Modular Indexing: Customize class indexing operations individually using new superclasses
- Scalar Classes: Inherit from the matlab.mixin.Scalar superclass to ensure instances behave as scalars
- startat Function: Time zone information in datetime objects now supported
- Functionality being removed or changed

Data Analysis:
- Compute by Group Live Editor Task: Interactively summarize, transform, or filter groups of data
- Normalize Data Live Editor Task: Interactively center and scale data
- Clean Missing Data Live Editor Task: Define missing values
- trenddecomp Function: Find trends in data
- min and max Functions: Specify the comparison method for determining minimum and maximum values
- uniquetol Function: Options to control element selection and preserve range of data
- Data Preprocessing Functions: Specify table variable as sample points vector
- dateshift Function: Shift to next occurrence of weekday or weekend day
- isbetween Function: Support for open, closed, and half open intervals
- isregular Function: Support for datetime and duration data types
- istabular Function: Determine if input is a table or timetable
- retime and synchronize Functions: Median and mode methods supported
- timeofday Function: Return the date as the second output argument
- timeseries2timetable Function: Convert timeseries objects to timetables
- Functionality being removed or changed

Data Import and Export:
- sftp Function: Connect to SFTP servers
- Datastores: Specify FileSet objects as data locations for some datastores
- Table Import: Read tables from HTML and Microsoft Word documents
- HDF5 Interface: Use new functionality in support of HDF5 1.10.7
- NetCDF Interface: Read and write NC_STRING data
- Scientific File Format Libraries: HDF5 and NetCDF libraries are upgraded
- Audio, Video, and Image I/O Functions: Run functions in a thread-based environment
- Image File Format Libraries: LibTIFF library upgraded to version 4.2.0
- New Serial Explorer and TCP/IP Explorer apps
- Functionality being removed or changed

Mathematics:
- ode78 and ode89 Functions: High-order Runge-Kutta solvers for ordinary differential equations
- pagesvd Function: Perform singular value decomposition on pages of N-D arrays
- svd Function: Option to control output format of singular values
- mpower Function: Improved algorithm for defective matrices
- Functionality being removed or changed

Graphics:
- Plotting Table Data: Create scatter plots, bubble charts, and swarm charts by passing tables directly to plotting functions
- Axes Ticks and Colors: Control the appearance of axis tick marks and tick label colors
- Create Plot Live Task: Add additional visualizations to generated plots
- Create Plot Live Task: Control chart input syntax using configuration drop-down
- exportgraphics Function: Capture and append graphics to existing PDFs
- stackedplot Function: Support for semilog y-axes
- Text Objects: Use editInteractions in the Interactions property to click or tap on text to edit
- dataTipTextRow Function: Customize data tip content using data properties, such as UserData
- MATLAB Online™ Accessibility: Use a screen reader to interact with figures
- Functionality being removed or changed

App Building:
- uialert, uiconfirm, and uiprogressdlg Functions: Mark up text and display equations in dialog boxes
- addStyle Function: Add styles to nodes and levels in a tree UI component
- uitable Function: Set and query table selections programmatically and control table selection options
- uitextarea Function: Program apps to respond while a user is typing in a text area component
- Run Code in the Background: Use parallel language to create more responsive apps
- App Designer: Debug code in Code View
- App Designer: Efficiently manage your app code with tools and shortcuts from Live Editor
- App Designer: Interactively modify canvas zoom level and fit canvas to view
- App Designer: Convert between similar UI components
- App Designer: Add help text for your app
- App Designer: Remove auto-reflow behavior from an app with auto-reflow
- Deployed Web Apps: Deploy web apps directly to the MATLAB Web App Server from within App Designer
- App Testing Framework: Perform press gestures on axes and UI axes with different selection types
- App Testing Framework: Perform drag gestures on axes and figures with different selection types
- App Testing Framework: Use any units of measurement in gestures at the center of components
- Functionality being removed or changed

Performance:
- table Data Type Indexing: Improved performance when assigning elements by subscripting with curly braces
- qrinsert and qrdelete Functions: Improved performance modifying QR factorizations
- Titles and Labels in Plots: Improved performance when creating and querying titles or labels in a loop
- Plot Interactions: Improved performance for rendering data tips and rotating scatter plots of large data sets
- Plots in Apps: Improved performance for creating plots
- App Designer: Improved performance when opening Start Page and loading apps
- App Designer: Improved performance when saving apps
- Comparison Tool: Improved performance when loading and saving MLAPP files
- uigridlayout Function: Improved performance when adding components spanning multiple columns with 'fit' width
- uigridlayout Function: Improved resizing performance when wrapping text in resizable columns
- Live Editor: Improved performance when saving live scripts or functions
- Data Processing Dialog Boxes: Improved resizing performance
- Figure Interactions: Improved performance when using built-in axes interactions
- UI Figures: Improved performance when displaying axes toolbar
- UI Figures: Improved performance when interacting with linked axes

Software Development Tools:
- Projects: Collaborate using projects in MATLAB Online
- Source Control: Work with files under Git in MATLAB Online
- Unit Testing Framework: Use the TestCase class template to create tests more quickly and accurately
- Unit Testing Framework: Run live-function-based tests interactively in MATLAB Online
- App Testing Framework: Perform press gestures on axes and UI axes with different selection types
- App Testing Framework: Perform drag gestures on axes and figures with different selection types
- App Testing Framework: Use any units of measurement in gestures at the center of components
- Functionality being removed or changed

External Language Interfaces:
- C++ interface: Support for C++ language features
- C++ interface: Publisher options
- Java interface: Specify JRE path for MATLAB
- Java: Call into MATLAB from a Java program called by MATLAB
- Python interface: Run Python commands and scripts from MATLAB
- Python: Support for complex multidimensional arrays
- Python: Version 3.9 support
- WSDL Web Services Documents: Apache CXF version 3.4.2 support
- Perl 5.32.1: MATLAB support on Windows
- Functionality being removed or changed

Hardware Support:
- Connect and Control Arduino board using the Arduino Explorer App
- Read data from APDS9960 sensor connected to the Arduino hardware
- Support for CAN shields on Raspberry Pi Hardware